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Find the sum of the 100 largest values in a stream of binary integers as fast as possible.

Input: 100 000 000 uint32 values in little-endian binary on STDIN (4 bytes each).

Output: The uint64 sum of the top 100 greatest values, printed as a decimal string.

Restrictions:60s512Mb 1 Score Packages

Feel free to create an issue if you need an extra library from the standard Ubuntu repository.

Name	Version	Description
libc6-dev	2.39-0ubuntu8.7	GNU C Library: Development Libraries and Header Files Contains the symlinks, headers, and object files needed to compile and link programs which use the standard C library.
libclang-common-14-dev	1:14.0.6-19build4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-15-dev	1:15.0.7-14build3	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-16-dev	1:16.0.6-23ubuntu4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-17-dev	1:17.0.6-9ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-18-dev	1:18.1.3-1ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-19-dev	1:19.1.1-1ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-20-dev	1:20.1.2-0ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libcrypt-dev	1:4.4.36-4build1	libcrypt development files This package contains the files needed for developing applications that use libcrypt.
libgcc-10-dev	10.5.0-4ubuntu2.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-11-dev	11.5.0-1ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-12-dev	12.4.0-2ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-13-dev	13.3.0-6ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-14-dev	14.2.0-4ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libobjc-13-dev	13.3.0-6ubuntu2~24.04.1	Runtime library for GNU Objective-C applications (development files) This package contains the headers and static library files needed to build GNU ObjC applications.
libssl-dev	3.0.13-0ubuntu3.9	Secure Sockets Layer toolkit - development files This package is part of the OpenSSL project's implementation of the SSL and TLS cryptographic protocols for secure communication over the Internet. . It contains development libraries, header files, and manpages for libssl and libcrypto.
libstdc++-10-dev	10.5.0-4ubuntu2.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-11-dev	11.5.0-1ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-12-dev	12.4.0-2ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-13-dev	13.3.0-6ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-14-dev	14.2.0-4ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libtbb-dev	2021.11.0-2ubuntu2	parallelism library for C++ - development files TBB is a library that helps you leverage multi-core processor performance without having to be a threading expert. It represents a higher-level, task-based parallelism that abstracts platform details and threading mechanism for performance and scalability. . (Note: if you are a user of the i386 architecture, i.e., 32-bit Intel or compatible hardware, this package only supports Pentium4-compatible and higher processors.) . This package includes the TBB development files.

Back to listSep 4, 2024 07:22

Andrey LikhachevScore: 70,297Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Sep 4, 2024 07:22	69,822	55,689,768	24,841,000	993,000	2,473,984
2	Aug 22, 2024 21:34	69,841	50,438,624	24,848,000	993,000	2,490,368
3	Aug 23, 2024 19:27	69,857	51,317,665	23,859,000	1,988,000	2,289,664
4	Aug 22, 2024 21:34	69,862	50,938,438	23,861,000	1,988,000	2,289,664
5	Aug 23, 2024 19:27	69,886	54,094,127	23,869,000	1,989,000	2,289,664
6	Sep 4, 2024 07:22	69,919	60,800,128	24,875,000	995,000	2,367,488
7	Aug 22, 2024 21:34	69,932	55,904,410	23,885,000	1,990,000	2,367,488
8	Sep 4, 2024 07:22	69,935	53,889,205	23,886,000	1,990,000	2,379,776
9	Sep 4, 2024 07:22	69,949	57,019,294	24,886,000	995,000	2,367,488
10	Aug 22, 2024 21:34	70,049	59,108,210	24,922,000	996,000	2,355,200
11	Sep 4, 2024 07:22	70,070	52,006,322	24,929,000	997,000	2,473,984
12	Aug 23, 2024 19:27	70,078	52,883,836	24,932,000	997,000	2,367,488
13	Aug 23, 2024 19:27	70,122	53,692,905	24,948,000	997,000	2,371,584
14	Aug 23, 2024 19:27	70,124	54,586,551	24,949,000	997,000	2,379,776
15	Aug 23, 2024 19:27	70,130	51,393,597	23,952,000	1,996,000	2,375,680
16	Sep 4, 2024 07:22	70,157	54,364,546	23,962,000	1,996,000	2,367,488
17	Aug 22, 2024 21:34	70,200	54,717,195	24,975,000	999,000	2,289,664
18	Sep 4, 2024 07:22	70,222	52,288,147	23,984,000	1,998,000	2,375,680
19	Sep 4, 2024 07:22	70,224	48,201,259	24,984,000	999,000	2,289,664
20	Sep 4, 2024 07:22	70,251	53,734,797	24,994,000	999,000	2,363,392
21	Sep 4, 2024 07:22	70,289	59,967,436	24,007,000	2,000,000	2,289,664
22	Sep 4, 2024 07:22	70,297	58,498,748	25,010,000	1,000,000	2,285,568
23	Aug 23, 2024 19:27	70,343	51,564,082	25,026,000	1,001,000	2,371,584
24	Sep 4, 2024 07:22	70,389	53,922,273	25,043,000	1,001,000	2,289,664
25	Sep 4, 2024 07:22	70,405	53,315,173	24,047,000	2,003,000	2,465,792
26	Aug 22, 2024 21:34	70,446	55,388,207	24,060,000	2,005,000	2,379,776
27	Sep 4, 2024 07:22	70,554	57,086,912	25,101,000	1,004,000	2,289,664
28	Sep 4, 2024 07:22	70,557	58,243,782	24,098,000	2,008,000	2,375,680
29	Sep 4, 2024 07:22	70,568	51,612,503	24,102,000	2,008,000	2,371,584
30	Aug 23, 2024 19:27	70,603	51,092,906	24,114,000	2,009,000	2,289,664
31	Sep 4, 2024 07:22	70,665	55,058,545	24,135,000	2,011,000	2,375,680
32	Sep 4, 2024 07:22	70,730	50,754,007	25,164,000	1,006,000	2,359,296
33	Aug 22, 2024 21:34	70,746	48,648,938	25,170,000	1,006,000	2,289,664
34	Aug 22, 2024 21:34	70,765	51,272,066	25,176,000	1,007,000	2,363,392
35	Aug 22, 2024 21:34	71,000	46,396,830	24,250,000	2,020,000	2,371,584
36	Aug 23, 2024 19:27	71,132	52,111,386	25,307,000	1,012,000	2,289,664
37	Aug 22, 2024 21:34	73,142	102,774,592	27,062,391	0	2,334,720
38	Aug 22, 2024 21:34	73,486	104,021,429	27,189,690	0	2,260,992
39	Aug 23, 2024 19:27	73,517	95,161,537	27,201,331	0	2,215,936
40	Aug 23, 2024 19:27	73,730	98,322,208	27,280,059	0	2,260,992
41	Aug 23, 2024 19:27	73,936	107,123,563	27,356,154	0	2,215,936
42	Aug 22, 2024 21:34	74,091	98,992,601	27,413,788	0	2,220,032

Model	Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz
Cores	1